#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
#define PB push_back
#define MP make_pair
#define LL long long
#define int LL
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define RE(i,n) FOR(i,1,n)
#define REP(i,n) FOR(i,0,(int)(n)-1)
#define R(i,n) REP(i,n)
#define VI vector<int>
#define PII pair<int,int>
#define LD long double
#define FI first
#define SE second
#define st FI
#define nd SE
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())
#define unordered_map __fast_unordered_map
template<class Key, class Value, class Hash = std::hash<Key>>
using unordered_map = __gnu_pbds::gp_hash_table<Key, Value, Hash>;
template<class C> void mini(C &a4, C b4) { a4 = min(a4, b4); }
template<class C> void maxi(C &a4, C b4) { a4 = max(a4, b4); }
template<class TH> void _dbg(const char *sdbg, TH h){ cerr<<sdbg<<'='<<h<<endl; }
template<class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) {
while(*sdbg!=',')cerr<<*sdbg++;
cerr<<'='<<h<<','; _dbg(sdbg+1, a...);
}
template<class T> ostream &operator<<(ostream& os, vector<T> V) {
os << "["; for (auto vv : V) os << vv << ","; return os << "]";
}
template<class L, class R> ostream &operator<<(ostream &os, pair<L,R> P) {
return os << "(" << P.st << "," << P.nd << ")";
}
#ifdef LOCAL
#define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__)
#else
#define debug(...) (__VA_ARGS__)
#define cerr if(0)cout
#endif
int32_t main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout << fixed << setprecision(11);
cerr << fixed << setprecision(6);
const string kVowels = "aeoiuy";
string s;
cin >> s;
int N = SZ(s);
vector<bool> is_vowel(N);
LL total_good = 0;
int good_lptr = 0;
for (int i = 0; i < N; ++i) {
is_vowel[i] = kVowels.find(s[i]) != string::npos;
if (i >= 2 &&
is_vowel[i - 2] == is_vowel[i - 1] &&
is_vowel[i - 1] == is_vowel[i]) {
good_lptr = i - 1;
}
total_good += i - good_lptr + 1;
}
cout << (LL)N * (N + 1) / 2 - total_good << "\n";
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; #define PB push_back #define MP make_pair #define LL long long #define int LL #define FOR(i,a,b) for(int i = (a); i <= (b); i++) #define RE(i,n) FOR(i,1,n) #define REP(i,n) FOR(i,0,(int)(n)-1) #define R(i,n) REP(i,n) #define VI vector<int> #define PII pair<int,int> #define LD long double #define FI first #define SE second #define st FI #define nd SE #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((int)(x).size()) #define unordered_map __fast_unordered_map template<class Key, class Value, class Hash = std::hash<Key>> using unordered_map = __gnu_pbds::gp_hash_table<Key, Value, Hash>; template<class C> void mini(C &a4, C b4) { a4 = min(a4, b4); } template<class C> void maxi(C &a4, C b4) { a4 = max(a4, b4); } template<class TH> void _dbg(const char *sdbg, TH h){ cerr<<sdbg<<'='<<h<<endl; } template<class TH, class... TA> void _dbg(const char *sdbg, TH h, TA... a) { while(*sdbg!=',')cerr<<*sdbg++; cerr<<'='<<h<<','; _dbg(sdbg+1, a...); } template<class T> ostream &operator<<(ostream& os, vector<T> V) { os << "["; for (auto vv : V) os << vv << ","; return os << "]"; } template<class L, class R> ostream &operator<<(ostream &os, pair<L,R> P) { return os << "(" << P.st << "," << P.nd << ")"; } #ifdef LOCAL #define debug(...) _dbg(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (__VA_ARGS__) #define cerr if(0)cout #endif int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(11); cerr << fixed << setprecision(6); const string kVowels = "aeoiuy"; string s; cin >> s; int N = SZ(s); vector<bool> is_vowel(N); LL total_good = 0; int good_lptr = 0; for (int i = 0; i < N; ++i) { is_vowel[i] = kVowels.find(s[i]) != string::npos; if (i >= 2 && is_vowel[i - 2] == is_vowel[i - 1] && is_vowel[i - 1] == is_vowel[i]) { good_lptr = i - 1; } total_good += i - good_lptr + 1; } cout << (LL)N * (N + 1) / 2 - total_good << "\n"; } |
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